Oxystophyllum

Oxystophyllum is a genus of flowering plant in the family Orchidaceae, native from Indo-China and Hainan to Papuasia. The genus was established by Carl Ludwig Blume in 1825.

==Species== , Plants of the World Online accepted the following species: {| class="wikitable collapsible" |- ! Image !! Name !! Distribution !! Elevation (m) |- | ||Oxystophyllum acianthum || New Guinea || |- | ||Oxystophyllum ambotiense || Moluccas Islands || |- | ||Oxystophyllum araneum || New Guinea || |- | ||Oxystophyllum atropurpureum || Myanmar, Malaysia, Java, the Moluccas, Sulawesi and New Guinea || |- | ||Oxystophyllum atrorubens || Borneo and Malaysia || |- | ||Oxystophyllum bipulvinatum || Papua (Nabire Regency) || |- | ||Oxystophyllum buruense || Maluku (Buru), New Guinea || |- | ||Oxystophyllum carnosum || Borneo, Cambodia, Jawa, Malaya, Myanmar, Sumatera, Thailand, Vietnam, Laos || |- | ||Oxystophyllum changjiangense || China (Hainan) || |- | ||Oxystophyllum cultratum || Sulawesi and the Philippines || |- | ||Oxystophyllum cuneatipetalum || Sumatera || |- | ||Oxystophyllum deliense || Sumatra || |- | ||Oxystophyllum elmeri || Philippines || |- | ||Oxystophyllum excavatum || Cambodia, Malaysia, Borneo, Java, Lesser Sunda Islands, Moluccas, Sumatra and New Guinea || |- | ||Oxystophyllum floridanum || Solomon Islands || |- | ||Oxystophyllum govidjoae || New Guinea || |- | ||Oxystophyllum hagerupii || Sumatra || |- | ||Oxystophyllum helvolum || Borneo || |- | ||Oxystophyllum hypodon || Sulawesi || |- | ||Oxystophyllum kaudernii || Sulawesi || |- | ||Oxystophyllum lepoense || Sulawesi || |- | ||Oxystophyllum lockhartioides || Sulawesi || |- | ||Oxystophyllum longipecten || Sumatra || |- | ||Oxystophyllum minutigibbum || Sumatra || |- | ||Oxystophyllum moluccense || Maluku (Ambon) || |- | ||Oxystophyllum nitidiflorum || New Guinea || |- | ||Oxystophyllum oblongum || Sabah, Kalimantan and Sarawak || |- | ||Oxystophyllum oligadenium || Sulawesi || |- | ||Oxystophyllum paniferum || Java || |- | ||Oxystophyllum sinuatum || Thailand, Malaysia, Sumatra || |- | ||Oxystophyllum speculigerum || Sulawesi || |- | ||Oxystophyllum subsessile || Papua, New Guinea || |- | ||Oxystophyllum torricellianum || New Guinea || |- | ||Oxystophyllum tropidoneuron || Sumatra || |- | ||Oxystophyllum tumoriferum || New Guinea, Solomon Islands || |- | ||Oxystophyllum validipecten || Sumatra || |- |}